.head {
  height: 200px;
  width: 200px;
  background-color: green;
  position: relative;
}
.head .content {
  position: absolute;
  margin: 10px;
  background-color: blue;
}
.head.borter {
  color: red;
}
.head2 {
  color: red;
}
.head4 {
  font-size: 22px;
  background-color: pink;
}
.head4 .inner1 {
  color: blue;
  background-color: red;
}
.head4.inner2 {
  color: red;
  font-size: 12px;
  background-color: blue;
}
.a > :first-child {
  color: red;
}
.a .inline {
  cursor: pointer;
  background-color: pink;
}
.inline {
  width: 300px;
  height: 300px;
  background-color: pink;
  margin-left: 50px;
}
.inline .inline1 {
  height: 30px;
  border: 1px solid red;
  position: relative;
}
.inline .inline2 {
  border: 1px solid green;
  position: absolute;
  top: 30px;
  display: inline;
  z-index: 999;
}
